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Anixx
  • Member for 11 years, 8 months
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28 votes
2 answers
1k views

Has anybody ever considered "full derivative"?

19 votes
3 answers
5k views

Evaluate definite integral $\int_{-1}^1 \exp(1/(x^2-1)) \, dx$

16 votes
1 answer
204 views

Is there a name for the class of functions which are infinitely integrable in elementary functions?

16 votes
0 answers
491 views

Is this similarity just a coincidence?

14 votes
4 answers
2k views

How this operation is called?

13 votes
2 answers
2k views

What are the consequences if Axiom of Infinity is negated?

10 votes
1 answer
689 views

Can derivative of Hurwitz Zeta be expressed in Hurwitz Zeta?

8 votes
2 answers
473 views

Is there an easier way to find the "natural" integration constant?

8 votes
3 answers
631 views

Why hyperreal numbers are built so complicatedly?

7 votes
1 answer
391 views

Concerning Hurwitz Zeta function, how to prove the following identity?

7 votes
3 answers
506 views

How to sum up this series? $\sum_{n=1}^\infty\frac{(-1)^{n-1} B_n}{n}$

7 votes
3 answers
384 views

Is split-complex $j=i+2\epsilon$?

7 votes
2 answers
644 views

Dirac Delta definition in non-standard analysis?

7 votes
2 answers
411 views

What is Eulerian?

7 votes
2 answers
2k views

Tractrix-like curves

6 votes
2 answers
412 views

Sex distribution

6 votes
1 answer
829 views

Closed form for sine graphic rotated by 45 degrees?

6 votes
1 answer
146 views

Are there any good examples from other math fields or intuition supporting $\int_0^1\frac1xdx=\int_1^\infty\frac1xdx$?

5 votes
2 answers
135 views

These functions are very similar. Is there an explanation?

5 votes
3 answers
455 views

Where to find reference about dealing with operators in form of matrices?

5 votes
1 answer
601 views

Why some differential equation can be solved while similar difference equations cannot?

5 votes
7 answers
540 views

Is $0^0=1$ postulate independent of all other axioms of complex numbers?

5 votes
2 answers
189 views

How is called the class of functions whose inverse function is a polynomial?

5 votes
0 answers
429 views

Connection between Bernoulli polynomials and polygamma function

5 votes
1 answer
246 views

Measure of value of resources in a competitive game

5 votes
2 answers
132 views

Evaluate the double integral $\int _0^1\int _0^1\frac{x+i}{(1-ix y) \ln (x y)} \,dx\,dy$

5 votes
1 answer
1k views

What are the negative-dimentional n-sphere and n-cube?

5 votes
1 answer
503 views

Can there be a geometry where angles can be infinite?

4 votes
2 answers
172 views

What is the sum of this series? $\sum_{n=1}^\infty\frac{\zeta(1-n)(-1)^{n+1}}{2^{n-1}}$

4 votes
0 answers
81 views

Newton series and Fourier transform, is there an analogy?

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